Hard steel contains – (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Hard steel contains – (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon
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(2) 0.5 to 1.5 per cent carbon Explanation: The term hardened steel is often used for a medium or high carbon steel that has been given the heat treatments of quenching followed by tempering. The quenching results in the formation of metastable martensite, the fraction of which is reduced to the desired amount during tempering. This is the most common state for finished articles such as tools and machine parts,. In contrast, the same steel composition in annealed state will be softer as required for forming and machining.
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Hard steel contains (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Description : Hard steel contains (1) 2 to 5 per cent carbon (2) 0.5 to 1.5 per cent carbon (3) 0.1 to 0.4 per cent carbon (4) 0.01 to 0.04 per cent carbon

Last Answer :  0.5 to 1.5 per cent carbon

Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Description : Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Last Answer : (1) Anthracite Explanation: Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, ... elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Anthracite contains 90 per cent of carbon.

Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Description : Which among the following coal contains 90 per cent of carbon? (1) Anthracite (2) Bitumen (3) Lignite (4) Peat

Last Answer : Anthracite

In a food chain, the solar energy utilized by plants is only (1) 10 per cent (2) 1 per cent (3) 0.1 per cent (4) 0.01 per cent

Description : In a food chain, the solar energy utilized by plants is only (1) 10 per cent (2) 1 per cent (3) 0.1 per cent (4) 0.01 per cent

Last Answer : (3) 0.1 per cent Explanation: Plants, on average, capture only about 0.1 percent of the solar energy reaching Earth. However, it does not mean that the other 99.9 percent is a ... energy being changed from light to chemical energy is lost as heat that dissipates into the surrounding environment.

In a food chain, the solar energy utilized by plants is only (1) 10 per cent (2) 1 per cent (3) 0.1 per cent (4) 0.01 per cent

Description : In a food chain, the solar energy utilized by plants is only (1) 10 per cent (2) 1 per cent (3) 0.1 per cent (4) 0.01 per cent

Last Answer : 0.1 per cent

Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Arabic : 0.15 - 0.25, Oleate : 0.04 - 1.0, Starch : 15 - 25. Which among these is a b

Description : Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Arabic : 0.15 - 0.25, Oleate : 0.04 - 1.0, Starch : 15 - 25. Which among these is a b

Last Answer : Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Arabic : 0.15 - 0.25, Oleate ... ? A. Gelatin B. Starch C. Gum Arabic D. Oleate

The percentage of fluoride present in normal bone is (A) 0.01–0.03 (B) 0.04–0.08 (C) 0.10–0.12 (D) 0.15–0.2

Description : The percentage of fluoride present in normal bone is (A) 0.01–0.03 (B) 0.04–0.08 (C) 0.10–0.12 (D) 0.15–0.2

Last Answer : Answer : A

Safe and adequate daily dietary intake of chromium in adults in mg is (A) 0.01–0.02 (B) 0.02–0.03 (C) 0.03–0.04 (D) 0.05–0.2

Description : Safe and adequate daily dietary intake of chromium in adults in mg is (A) 0.01–0.02 (B) 0.02–0.03 (C) 0.03–0.04 (D) 0.05–0.2

Last Answer : Answer : D

Find the curl of the vector and state its nature at (1,1,-0.2) F = 30 i + 2xy j + 5xz 2 k a) √4.01 b) √4.02 c) √4.03 d) √4.04

Description : Find the curl of the vector and state its nature at (1,1,-0.2) F = 30 i + 2xy j + 5xz 2 k a) √4.01 b) √4.02 c) √4.03 d) √4.04

Last Answer : d) √4.04

What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water interface? The balloon is of radius 0.1 m and is filled with air. (A) 4πg/3 (B) 0.01 πgH/4(C) 0.01 πgH/8 (D) 0.04 πgH/3

Description : What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water interface? The balloon is of radius 0.1 m and is filled with air. (A) 4πg/3 (B) 0.01 πgH/4 (C) 0.01 πgH/8 (D) 0.04 πgH/3

Last Answer : (A) 4πg/3

If D is the degree of a curve, the percentage reduction of gradient, is (A) 0.01 D (B) 0.02 D (C) 0.03 D (D) 0.04 D

Description : If D is the degree of a curve, the percentage reduction of gradient, is (A) 0.01 D (B) 0.02 D (C) 0.03 D (D) 0.04 D

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The volume is measured correct to the nearest (A) 0.01 cum (B) 0.02 cum (C) 0.03 cum (D) 0.04 cum

Description : The volume is measured correct to the nearest (A) 0.01 cum (B) 0.02 cum (C) 0.03 cum (D) 0.04 cum

Last Answer : (A) 0.01 cum

The area is measured correct to the nearest (A) 0.01 sqm (B) 0.02 sqm (C) 0.03 sqm (D) 0.04 sqm

Description : The area is measured correct to the nearest (A) 0.01 sqm (B) 0.02 sqm (C) 0.03 sqm (D) 0.04 sqm

Last Answer : (A) 0.01 sqm

Mark the correct option a) There is no maximum limit of deposit in TD accounts of any type b) No subsequent withdrawal allowed in TD accounts before date of maturity c) The investment under 5 years TD qualifies for the benefit of Section 80C f the income tax Act 1961 from 01-04-2007 d) All the above

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Last Answer : d) All the above

Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel. (A) 0.01 to 0.10 (B) 0.2 to 0.4 (C) 0.5 to 0.7 (D) 0.8 to 1.0

Description : Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel. (A) 0.01 to 0.10 (B) 0.2 to 0.4 (C) 0.5 to 0.7 (D) 0.8 to 1.0

Last Answer : (B) 0.2 to 0.4

Which of the following articles of the Indian constitution deals with citizenship in India? (1) Article 333 to 337 (2) Article 17 to 20 (3) Article 05 to 11 (4) Article 01 to 04

Description : Which of the following articles of the Indian constitution deals with citizenship in India? (1) Article 333 to 337 (2) Article 17 to 20 (3) Article 05 to 11 (4) Article 01 to 04

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Chapter III of Consumer protection act came in to force on a) 01-07-1987 b) 01-04-1987 c) 01-04-1986 d) 01-07-1986

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Last Answer : a) 01-07-1987

Chapter I , II, IV of Consumer protection act came in to force on a) 01-07-1987 b) 01-04-1987 c) 01-04-1986 d) 01-07-1986

Description : Chapter I , II, IV of Consumer protection act came in to force on a) 01-07-1987 b) 01-04-1987 c) 01-04-1986 d) 01-07-1986

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Description : The NSC introduced from a) 08-05-1989 b) 01-04-1988 c) 01-04-1990 d) None of these 

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f an Ethernet destination address is07:01:02:03:04:05, then this is a ______ address. A) unicast B) multicast C) broadcast D) any of theabove

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P & T Revenue fund was instituted with effect from ---------------- a. 01.04.1925 b. 01.04.1960 c.03.05.1960

Description : P & T Revenue fund was instituted with effect from ---------------- a. 01.04.1925 b. 01.04.1960 c.03.05.1960

Last Answer : b. 01.04.1960

The capital accounts of the Posts and Telecommunication departments on a commercial basis with effect from ----------- a. 01.04.1925 b. 01.01.2000 c.04.05.2002

Description : The capital accounts of the Posts and Telecommunication departments on a commercial basis with effect from ----------- a. 01.04.1925 b. 01.01.2000 c.04.05.2002

Last Answer : a. 01.04.1925

From ----------- the accounts work relating to the postal branch of the P& T department was separated from P& T audit a. 01.04.1977 b.01.04.1976 c. 01.08.1980

Description : From ----------- the accounts work relating to the postal branch of the P& T department was separated from P& T audit a. 01.04.1977 b.01.04.1976 c. 01.08.1980

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Carbon content in steel is __________ percent. (A) 0.1-2 (B) 4-6 (C) 2-4 (D) 0.001-0.01

Description : Carbon content in steel is __________ percent. (A) 0.1-2 (B) 4-6 (C) 2-4 (D) 0.001-0.01

Last Answer : (A) 0.1-2

10 mole of carbon contains A. 6.02 × 1024 atoms B. 6.03 × 1023 atoms C. 6.02 × 1023 atoms D. 6.04 × 1024 atoms

Description : 10 mole of carbon contains A. 6.02 × 1024 atoms B. 6.03 × 1023 atoms C. 6.02 × 1023 atoms D. 6.04 × 1024 atoms

Last Answer : 6.02 × 1024 atoms

Cast iron (A) Is obtained by purifying pig iron (B) Is manufactured in required shapes (C) May contain 2 to 5 per cent of carbon with other impurities (D) All the above

Description : Cast iron (A) Is obtained by purifying pig iron (B) Is manufactured in required shapes (C) May contain 2 to 5 per cent of carbon with other impurities (D) All the above

Last Answer : Answer: Option D

Steel contains – (1) 0.1 - 2% carbon (2) 5 - 10% carbon (3) more than 10% carbon (4) no carbon

Description : Steel contains – (1) 0.1 - 2% carbon (2) 5 - 10% carbon (3) more than 10% carbon (4) no carbon

Last Answer : (1) 0.1 - 2% carbon Explanation: Steel is an alloy made by combining iron and other elements, the most common of these being carbon. When carbon is used, its content in the steel is ... act as a hardening agent, preventing dislocations in the iron atom crystal lattice from sliding past one another.

Steel contains (1) 0.1 – 2% carbon (2) 5 – 10% carbon (3) more than 10% carbon (4) no carbon

Description : Steel contains (1) 0.1 – 2% carbon (2) 5 – 10% carbon (3) more than 10% carbon (4) no carbon

Last Answer :  0.1 – 2% carbon

The percentage of carbon in cost iron is (1) 0.01 to 0.25 (2) 0.5 to 1.5 (3) 6 to 3 (4) 3 to 5

Description : The percentage of carbon in cost iron is (1) 0.01 to 0.25 (2) 0.5 to 1.5 (3) 6 to 3 (4) 3 to 5

Last Answer : (4) 3 to 5 Explanation: Cast Iron is a hard, brittle, nonmalleable iron-carbon alloy, cast into shape. It contains 2 to 4.5 percent carbon, 0.5 to 3 percent silicon, and lesser amounts of sulfur, manganese, and phosphorus.

The percentage of carbon in cost iron is : (1) 0.01 to 0.25 (2) 0.5 to 1.5 (3) 6 to 8 (4) 3 to 5

Description : The percentage of carbon in cost iron is : (1) 0.01 to 0.25 (2) 0.5 to 1.5 (3) 6 to 8 (4) 3 to 5

Last Answer : 3 to 5

What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Description : What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Last Answer : (2) 3 to 4 per cent Explanation: The atmosphere of Earth is a layer of gases surrounding the planet. Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ... nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases.

What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Description : What is the maximum Water Vapour content in the atmosphere? (1) 2 to 3 per cent (2) 3 to 4 per cent (3) 4 to 5 per cent (4) 5 to 6 per cent

Last Answer :  3 to 4 per cent

Which one of the following contains maximum percentage of carbon? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Description : Which one of the following contains maximum percentage of carbon? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Last Answer : (1) Cast iron Explanation: Cast Iron is a hard, brittle, nonmalleable iron-carbon alloy, cast into shape, containing 2 to 4.5 percent carbon. Steels contain less than 2% and usually less than 1% carbon, ... percent carbon. Wrought iron is an iron alloy with very low carbon (0.04 to 0.08%) content.

Which one of the following contains maximum percentage of carbon ? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Description : Which one of the following contains maximum percentage of carbon ? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

Last Answer : Cast iron

High carbon steel contains more than __________ percent carbon. (A) 0.5 (B) 2.2 (C) 2.5 (D) 2.8

Description : High carbon steel contains more than __________ percent carbon. (A) 0.5 (B) 2.2 (C) 2.5 (D) 2.8

Last Answer : (A) 0.5

Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these

Description : Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these

Last Answer : Answer: Option B

The steel mainly contains how much percentage of carbon a) 0.70 to 0.80% b) to 0.3 % c) 0.5 to 0.1 %

Description : The steel mainly contains how much percentage of carbon a) 0.70 to 0.80% b) to 0.3 % c) 0.5 to 0.1 %

Last Answer : 0.70 to 0.80%

A soil has bulk density 2.30 g/cm3 and water content 15 per cent, the dry density of the sample, is (A) 1.0 g/cm2 (B) 1.5 g/cm3 (C) 2.0 g/cm3 (D) 2.5 g/cm3

Description : A soil has bulk density 2.30 g/cm3 and water content 15 per cent, the dry density of the sample, is (A) 1.0 g/cm2 (B) 1.5 g/cm3 (C) 2.0 g/cm3 (D) 2.5 g/cm3

Last Answer : (C) 2.0 g/cm3

What is the equation of a line with a slope of 23 which contains the point 04?

Description : What is the equation of a line with a slope of 23 which contains the point 04?

Last Answer : If you mean a slope of 23 and a point of (0, 4) then theequation is y = 23x+4

What is the equation of a line with a slope of 23 which contains the point 04?

Description : What is the equation of a line with a slope of 23 which contains the point 04?

Last Answer : If you mean a slope of 23 and a point of (0, 4) then theequation is y = 23x+4

A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300 K. The volume of the cylinder is 10 liters. What is the mass of the oxygen in grams? Molecular weight (MW) of oxygen is 32 g/mole?  a. 125.02  b. 130.08  c. 135.05  d. 120.04

Description : A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300 K. The volume of the cylinder is 10 liters. What is the mass of the oxygen in grams? Molecular weight (MW) of oxygen is 32 g/mole?  a. 125.02  b. 130.08  c. 135.05  d. 120.04

Last Answer : 130.08 {(10atm)(10)(32)/(0.0821) (300K)}

Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making (A) Shafts (B) Flanges (C) Gears (D) Shear blades

Description : Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making (A) Shafts (B) Flanges (C) Gears (D) Shear blades

Last Answer : (B) Flanges

A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at and were 1.22 and 1.06. With the level set up at , the readings at and were 1.55 and 1.37. The collimation error per 100 m length of sight is (A) 0.02 m inclined upwards (B) 0.04 m inclined downwards (C) 0.04 m inclined upward (D) None of these

Description : A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff  readings at and were 1.22 and 1.06. With the level set up at , the readings at  and were 1.55 and ... upwards  (B) 0.04 m inclined downwards  (C) 0.04 m inclined upward  (D) None of these

Last Answer : (B) 0.04 m inclined downwards 

In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?

Description : In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?

Last Answer : Ans. Nitrogen, Oxygen, Carbon dioxide

Per cent oxygen in the exhaled air is (a) 0 (b) 6 (c) 12 (d) 16

Description : Per cent oxygen in the exhaled air is (a) 0 (b) 6 (c) 12 (d) 16

Last Answer : Ans:(a)

A man sells two houses at the rate of Rs.1.995 lakh each. On one he gains 5% and on the other he loses 5%. His gain or loss per cent in the whole transaction is a) 0.25% loss b) 0.25% gain c) 2.5% loss d) 2.5% gain e) 1.25% loss

Description : A man sells two houses at the rate of Rs.1.995 lakh each. On one he gains 5% and on the other he loses 5%. His gain or loss per cent in the whole transaction is a) 0.25% loss b) 0.25% gain c) 2.5% loss d) 2.5% gain e) 1.25% loss

Last Answer : a) 0.25% loss

According to Buston's formula, fire demand in litres per minute for a population of P thousands, is (A) 3182 P (B) 1136.5 [(P/10) + 10] (C) 4637 P (1 - 0.01 P) (D) 5663 P

Description : According to Buston's formula, fire demand in litres per minute for a population of P thousands, is  (A) 3182 P (B) 1136.5 [(P/10) + 10]  (C) 4637 P (1 - 0.01 P)  (D) 5663 P

Last Answer : (D) 5663 P

To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 Q, the water horse power of the pump is (A) 400 (B) 450 (C) 500(D) 600

Description : To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is  installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length  of the ... the water horse power of the pump is  (A) 400  (B) 450  (C) 500 (D) 600

Last Answer : (D) 600

A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit

Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit

Last Answer : C. 1.9 bit